89028128530 has 32 divisors (see below), whose sum is σ = 178117351488. Its totient is φ = 31763035200.

The previous prime is 89028128509. The next prime is 89028128557. The reversal of 89028128530 is 3582182098.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7629516 + ... + 7641175.

It is an arithmetic number, because the mean of its divisors is an integer number (5566167234).

Almost surely, 2^89028128530 is an apocalyptic number.

89028128530 is an abundant number, since it is smaller than the sum of its proper divisors (89089222958).

89028128530 is a wasteful number, since it uses less digits than its factorization.

89028128530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270762.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 89028128530 in words is "eighty-nine billion, twenty-eight million, one hundred twenty-eight thousand, five hundred thirty".